85184087 has 6 divisors (see below), whose sum is σ = 89903808. Its totient is φ = 80700372.

The previous prime is 85184039. The next prime is 85184123. The reversal of 85184087 is 78048158.

It is a de Polignac number, because none of the positive numbers 2^k-85184087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85184017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117623 + ... + 118344.

It is an arithmetic number, because the mean of its divisors is an integer number (14983968).

Almost surely, 2^85184087 is an apocalyptic number.

85184087 is a deficient number, since it is larger than the sum of its proper divisors (4719721).

85184087 is a wasteful number, since it uses less digits than its factorization.

85184087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236005 (or 235986 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 85184087 is about 9229.5225770351. The cubic root of 85184087 is about 440.0001497933. Note that the first 3 decimals are identical.

The spelling of 85184087 in words is "eighty-five million, one hundred eighty-four thousand, eighty-seven".